About the Number

42729147

42729146 ← → 42729148

2進数表記:10100010111111111010111011

漢数字表記:四千二百七十二万九千百四十七

素因数分解:

3 3 × 23 1 × 83 1 × 829 1

素因数の和:944
約数の個数: 32
約数和(自身を含む): 66931200
約数和(自身を除く): 24202053

約数列:
[1, 3, 9, 23, 27, 69, 83, 207, 249, 621, 747, 829, 1909, 2241, 2487, 5727, 7461, 17181, 19067, 22383, 51543, 57201, 68807, 171603, 206421, 514809, 619263, 1582561, 1857789, 4747683, 14243049, 42729147]

約数ペア:
[(1, 42729147), (3, 14243049), (9, 4747683), (23, 1857789), (27, 1582561), (69, 619263), (83, 514809), (207, 206421), (249, 171603), (621, 68807), (747, 57201), (829, 51543), (1909, 22383), (2241, 19067), (2487, 17181), (5727, 7461)]

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